銆€銆€浜屻€佹贩鍑濆湡寮峰害

銆€銆€寮峰害鍒嗙偤妯欐簴鍊煎拰瑷▓鍊�銆傚皣寮峰害妯欐簴鍊奸櫎浠ユ潗鏂欏垎闋呯郴鏁�(sh霉)鍗崇偤寮峰害鐨勮ō瑷堝€�銆�

銆€銆€1 .绔嬫柟楂旀姉澹撳挤搴︽婧栧€�(瑷樼偤 fcu 锛� k )

銆€銆€鎸夋婧栨柟娉曞埗浣滈(y菐ng)璀风殑閭婇暦鐐� 150mm 鐨勭珛鏂归珨瑭︿欢锛屽湪 28 澶╅健鏈熺敤妯欐簴瑭﹂鏂规硶娓緱鐨勫叿鏈� 95 %淇濊瓑鐜囩殑鎶楀寮峰害銆�

銆€銆€娣峰嚌鍦熷挤搴︾瓑绱氭寜鍏秄cu 锛� k鍊肩⒑瀹�锛屽嵆 fcu 锛� k 鐐� ××N / mm2鐨勬贩鍑濆湡瑷樼偤 C×× 銆�

銆€銆€閶肩瓔娣峰嚌鍦熺祼(ji茅)妲�(g貌u)鐨勬贩鍑濆湡寮峰害绛夌礆涓嶆噳浣庝簬 C15 ;鐣堕噰鐢� HRB335 绱氶嫾绛嬫檪锛屾贩鍑濆湡寮峰害绛夌礆涓嶅疁浣庝簬 C20 ;鐣堕噰鐢� HRB400 鍜� RRB400 绱氶嫾绛嬩互鍙婃壙鍙楅噸寰╄嵎杓夌殑妲�(g貌u)浠舵檪锛屾贩鍑濆湡寮峰害绛夌礆涓嶅緱浣庝簬 C20 銆�

銆€銆€闋愭噳鍔涙贩鍑濆湡绲�(ji茅)妲�(g貌u)鐨勬贩鍑濆湡寮峰害绛夌礆涓嶆噳浣庝簬 C30 ;鐣堕噰鐢ㄩ嫾绲炵窔銆侀嫾绲�銆佺啽铏曠悊閶肩瓔浣滈爯鎳夊姏閶肩瓔鏅�锛屾贩鍑濆湡寮峰害绛夌礆涓嶅疁浣庝簬 C40 銆�

銆€銆€2 .杌稿績鎶楀寮峰害妯欐簴鍊�(瑷樼偤 fcx )

銆€銆€鎸夋婧栨柟娉曞埗浣滈(y菐ng)璀风殑鎴潰鐐� 150mm×150mm 锛岄珮搴︾偤 h ( h 涓€鑸偤 150 mm鐨� 3 ~4 鍊�)鐨勬１鏌遍珨锛屽湪 28 澶╅健鏈熺敤妯欐簴瑭﹂鏂规硶娓緱鐨勫叿鏈� 95 %淇濊瓑鐜囩殑鎶楀寮峰害銆傚叾瑷▓鍊艰鐐� fc 銆�

銆€銆€3 .杌稿績鎶楁媺寮峰害妯欐簴鍊�(瑷樼偤ftk)

銆€銆€瀹冩槸閲囩敤妫辨煴楂旇│浠剁洿鎺ヨ桓鍚戞媺浼歌│椹楁垨绔嬫柟楂旇│浠剁殑鍔堣瑭﹂渚嗘脯瀹氱殑銆�

銆€銆€娣峰嚌鍦熺殑鎶楁媺寮峰害寰堜綆锛岄仩灏忎簬鍏舵姉澹撳挤搴�(涓€鑸彧鏈夊叾鎶楀寮峰害鐨� 1 / 8 ~1/1 6 )銆傚叾瑷▓鍊艰鐐� ft 銆�

銆€銆€涓夈€佹贩鍑濆湡璁婂舰

銆€銆€娣峰嚌鍦熻畩褰㈡湁鍏╅锛屼竴椤炴槸鍙楀姏璁婂舰;鍙︿竴椤炵偤楂旂⿳璁婂舰锛屽畠鑸囧彈鍔涚劇闂�(gu膩n)锛屽娣峰嚌鍦熷湪绲�(ji茅)纭亷绋嬩腑鐨勬敹绺�(鎴栬啫鑴�)绛夈€�

銆€銆€(涓€)娣峰嚌鍦熺殑鎳夊姏鎳夎畩闂�(gu膩n)绯�

銆€銆€娣峰嚌鍦熷湪涓€娆＄煭鏈熷柈杌稿姞澹撴檪鐨勬噳鍔涙噳璁婇棞(gu膩n)绯诲鍦� 4 - 1 鎵€绀�銆傛槸涓€鏇茬窔銆傛墍浠ュ叾鎳夊姏鎳夎畩鐨勬瘮鍊�(鍗� σ/ε)鏄竴鍊嬭畩閲忚€屼笉鏄父鏁�(sh霉)锛屽洜姝ょū E =σ/ε娣峰嚌鍦熺殑璁婂舰妯￠噺銆傚湪瑷堢畻瑷▓鏅傚父鐢ㄤ笁绋柟寮忚〃绀�锛屽嵆褰堟€фā閲� Ec锛岃畩褰㈡ā閲� 鍜屽垏绶氭ā閲� 銆傚鍦� 4 - 2 鎵€绀猴細

銆€銆€(l)娣峰嚌鍦熺殑褰堟€фā閲� Ec 瀹氱京鐐洪亷锛�銆傛洸绶氬師榛� O 鎵€浣滃垏绶氱殑鏂滅巼銆�( Ec = tanα0)

銆€銆€(2)璁婂舰妯￠噺 E c‘瀹氱京鐐轰簩鏇茬窔涓婁换涓€榛炲案鑸囧師榛為€ｇ窔鐨勬枩鐜�锛屽嵆E c‘=tanα1

銆€銆€(3)鍒囩窔妯￠噺E“c鐐洪亷鏇茬窔涓婁换涓€榛濸鐨勫垏绶氱殑鏂滅巼锛屽嵆E“c=tanα銆�

銆€銆€娣峰嚌鍦熷彈鎷夋檪鐨勬噳鍔涙噳璁婇棞(gu膩n)绯绘洸绶氳垏娣峰嚌鍦熷彈澹撴檪鐨勬噳鍔涙噳璁婇棞(gu膩n)绯绘洸绶氱浉浼硷紝鍙笉閬庡悇鐗瑰緛鍊煎潎瑕佸皬寰楀銆�

銆€銆€(浜�)娣峰嚌鍦熺殑寰愯畩

銆€銆€(1)瀹氱京锛氭贩鍑濆湡鍦ㄦ亽瀹氳嵎杓夌殑闀锋湡浣滅敤涓�锛岃畩褰㈤毃鏅傞枔鑰屽闀风殑鐝�(xi脿n)璞＄ū鐐哄緪璁娿€�

銆€銆€(2)褰遍熆寰愯畩鎳夎畩閲�(绨＄ū寰愯畩)鐨勫洜绱犳湁浠ヤ笅骞炬柟闈細

銆€銆€1 )姘寸伆姣斿ぇ锛屾按娉ョ敤閲忓锛屽緪璁婇噺灏卞ぇ;

銆€銆€2 )椁�(y菐ng)璀锋浠跺ソ锛屽緪璁婇噺灏卞皬;

銆€銆€3 )楠ㄦ枡璩�(zh矛)閲忓強绱氶厤濂斤紝寰愯畩閲忓皬;

銆€銆€4 )妲�(g貌u)浠堕珨琛ㄦ瘮瓒婂ぇ锛屽緪璁婇噺瓒婂皬;

銆€銆€5 )妲�(g貌u)浠剁殑鎳夊姏鑸囧叾鍙楄嵎鏅傚挤搴︾殑姣斿€�(鍗�σ/fc )瓒婂ぇ锛屽墖寰愯畩閲忚秺澶с€�

銆€銆€(3)寰愯畩灏嶇祼(ji茅)妲�(g貌u)鍙楀姏鐨勫奖闊匡細

銆€銆€1 )寰愯畩浣跨祼(ji茅)妲�(g貌u)鐨勮畩褰�(鍖呮嫭鎾撳害鍜岃绺�)澧炲ぇ;

銆€銆€2 )寰愯畩浣跨祼(ji茅)妲�(g貌u)鍏�(n猫i)閮ㄦ噳鍔涢噸鍒嗗竷;

銆€銆€3 )寰愯畩灏囧紩璧烽爯鎳夊姏娣峰嚌鍦熺祼(ji茅)妲�(g貌u)涓殑闋愭噳鍔涙悕澶�;

銆€銆€4 )鍙楁媺寰愯畩锛屾渻寤剁珐娣峰嚌鍦熸敹绺绺殑鍑虹従(xi脿n)锛屽強灏囨笡灏戠敱浜庢敮搴т笉鍧囧嫽娌夐檷鐢�(ch菐n)鐢熺殑鎳夊姏绛�銆�

銆€銆€(涓�)娣峰嚌鍦熺殑鏀剁府(鎴栬啫鑴�)

銆€銆€(1)瀹氱京锛氭贩鍑濆湡鍦ㄧ┖姘ｄ腑绲�(ji茅)纭檪楂旂⿳绺皬绋辩偤鏀剁府锛屽湪姘翠腑绲�(ji茅)纭檪楂旂⿳鑶ㄨ劰绋辩偤鑶ㄨ劰;浣嗘敹绺€艰姣旇啫鑴瑰€煎ぇ寰楀銆�

銆€銆€(2)褰遍熆鏀剁府鍊肩殑鍥犵礌鏈変互涓嬪咕鏂归潰锛�

銆€銆€1 )姘寸伆姣斿ぇ锛屾按娉ョ敤閲忓锛屾敹绺€煎氨澶�;

銆€銆€2 )椁�(y菐ng)璀锋浠跺ソ锛屼娇鐢ㄧ挵(hu谩n)澧冪殑婵曞害杓冮珮锛屾敹绺€煎皬;

銆€銆€3 )楠ㄦ枡璩�(zh矛)閲忓強绱氶厤濂�锛屾敹绺€煎氨灏�;

銆€銆€4 )妲�(g貌u)浠堕珨琛ㄦ瘮瓒婂ぇ锛屾敹绺€艰秺灏�;

銆€銆€5 )娣峰嚌鍦熸尟鎼楀瘑瀵︼紝鏀剁府鍊煎氨灏�銆�

銆€銆€(3)鏀剁府灏嶇祼(ji茅)妲�(g貌u)鍙楀姏鐨勫奖闊匡細

銆€銆€1 )鏈冨湪閶肩瓔娣峰嚌鍦熺祼(ji茅)妲�(g貌u)涓�锛屼娇娣峰嚌鍦熺敘(ch菐n)鐢熸媺鎳夊姏锛屽姞閫熻绺殑鍑虹従(xi脿n)鍜岀櫦(f膩)灞�锛岀敋鑷冲湪鏈彈鑽峰墠锛屽嵆鍑虹従(xi脿n)鍒濆鐨勬敹绺绺�;

銆€銆€2 )鏀剁府灏囧紩璧烽爯鎳夊姏娣峰嚌鍦熺祼(ji茅)妲�(g貌u)涓殑闋愭噳鍔涙悕澶�;

銆€銆€3 )灏嶈法搴﹁畩鍖栨瘮杓冩晱鎰熺殑闈滀笉瀹氱祼(ji茅)妲�(g貌u)(濡傛嫳绲�(ji茅)妲�(g貌u)绛�)灏囩敘(ch菐n)鐢熶笉鍒╃殑鍏�(n猫i)鍔�銆�

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